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\date {January 27}
\stanford  
\to {Te Corporation\cr
Attn: Leonard Tower, Jr.\cr
85 E. India Row\cr
Boston, Mass. 02110\cr}
{\noindent Dear Leonard:}

Under separate cover, we are sending you: 1) The December 1981 preliminary
draft of ``The WEB System of Structured Documentation'' by Donald E.
Knuth, 2) The latest version of the PTEX documentation,
and 3) A magnetic tape containing, amoung other things, the WEB
information that you requested in your letter of January 20, 1981 and the
latest version of PTEX.

I am enclosing a list of the files on the tape and a second sheet that
explains the details of the tape format.  This tape contains quite a few
files that you may not need, but we are attempting to standardize on the
variety of tapes that we send out and it seemed better to send this
collection to you than to try to hand-tailor a tape specifically to meet
your needs.  The tape format departs somewhat from your optimal format, but
I trust that you will be able to read it.

The hard-copy report was written in WEB and prepared for printing through
the use of the WEAVE program and of TEX.  Appendices to this report
contain the complete WEAVE-produced listings of TANGLE and of WEAVE
itself. Appendix G, on page 176, outlines the procedure that may be
necessary to install the WEB system on your computer.

I have not included the metafont information that you would like to have.
Unfortunately it is available only in our SAIL language and therefor only
usable on DEC systems, and besides there was not enough room on the tape.
Metafont will eventually be rewritten in PASCAL but it will be some time
before this will be done.

Thank you for the \$125 check which will be used to help defray the costs
involved in making the tape and the documentation and in mailing them to
you.

\sign {\hfill Sincerely yours,\cr\ssqip\cr
\hfill Arthur L. Samuel}

\fin			 % C'est tout.
\end